Bukkit

Spawns a group of zombies close to every player online

A cool little plugin to duel other players

A simple plugin that adds some utility for minecraft manhunt!

Allows administrators to define which tools can break which blocks.

Automatically ignites TNT when placed

Unfixes the fix from back in the day that stopped gravel from dropping flint when broken by a torch.

A new game mode to enhance your SMP experience!

The AutoMsg plugin.

ExplosiveArrows is a plugin which makes arrows explode on impact.

Fix for slow walk speed in 1.4.2-R0.1

Use hardcore mode in Bukkit SMP

Makes your players stop dying to recover their food level

GlowHat

XtremeMonsters

An easy-to-use plugin for RPG-Servers

Ride anything, or let anything ride you!

MagicWeapons

Protects none registered people from building.

XSigns

Put armor on, and watch it change colors!